Breitling, a gentleman's stainless steel Navitimer Cosmonaute chronograph wristwatch, circa 1970, black dial with outer scales, inner 24-hour ring, subsidiary constant seconds, minute and hour recording dials, revolving bezel, 17-jewel movement with mono-metallic balance, case with snap on back, diameter 40mm, with original Breitling Navitimer box and booklets.